<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title><%= content_for?(:title) ? yield(:title) : "华东理工大学多媒体管理平台" %></title>
  <%= csrf_meta_tags %>

  <%= stylesheet_link_tag "application", :media => "all" %>

  <!-- For third-generation iPad with high-resolution Retina display: -->
  <!-- Size should be 144 x 144 pixels -->
  <%= favicon_link_tag 'apple-touch-icon-144x144-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png', :sizes => '144x144' %>

  <!-- For iPhone with high-resolution Retina display: -->
  <!-- Size should be 114 x 114 pixels -->
  <%= favicon_link_tag 'apple-touch-icon-114x114-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png', :sizes => '114x114' %>

  <!-- For first- and second-generation iPad: -->
  <!-- Size should be 72 x 72 pixels -->
  <%= favicon_link_tag 'apple-touch-icon-72x72-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png', :sizes => '72x72' %>

  <!-- For non-Retina iPhone, iPod Touch, and Android 2.1+ devices: -->
  <!-- Size should be 57 x 57 pixels -->
  <%= favicon_link_tag 'apple-touch-icon-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png' %>

  <!-- For all other devices -->
  <!-- Size should be 32 x 32 pixels -->
  <%= favicon_link_tag 'favicon.ico', :rel => 'shortcut icon' %>

  <%= javascript_include_tag "application" %>

  <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
  <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
  
</head>